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Air Stagnation Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
130 PM PST WED FEB 10 2016


WAZ034-035-037-038-041>044-112200-
/O.CON.KOTX.AS.Y.0001.000000T0000Z-160213T1800Z/
MOSES LAKE AREA-UPPER COLUMBIA BASIN-NORTHEAST MOUNTAINS-
OKANOGAN HIGHLANDS-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-
OKANOGAN VALLEY-WATERVILLE PLATEAU-
130 PM PST WED FEB 10 2016

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* AIR QUALITY...LIGHT WINDS AND A TEMPERATURE INVERSION WILL
  HEIGHTEN THE POTENTIAL FOR ELEVATED POLLUTION LEVELS IN CENTRAL
  WASHINGTON AND NORTHEAST WASHINGTON TONIGHT THROUGH SATURDAY
  MORNING. WEAK WEATHER DISTURBANCES WILL PASS THROUGH THE AREA
  STARTING TONIGHT AND MAY SLIGHTLY IMPROVE THE SITUATION...
  HOWEVER A STRONGER COLD FRONT PASSAGE SATURDAY IS EXPECTED TO
  END THE STAGNANT CONDITIONS WHICH IS WHY THE AIR STAGNATION
  ADVISORY IS IN EFFECT UNTIL 10 AM PST SATURDAY.

* IMPACTS...BURN BANS MAY BE IN EFFECT FOR YOUR AREA. PLEASE
  CONSULT YOUR STATE OR TRIBAL AUTHORITIES BEFORE BURNING.

* LOCATIONS...A FEW COMMUNITIES INCLUDED IN THE AIR STAGNATION
  ADVISORY ARE...RITZVILLE...MOSES LAKE...GRAND COULEE...
  COLVILLE...OMAK...WINTHROP... WENATCHEE...AND LEAVENWORTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION HAS THE
POTENTIAL TO INCREASE TO DANGEROUS LEVELS. PERSONS WITH
RESPIRATORY ILLNESS SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR
DEALING WITH HIGH LEVELS OF AIR POLLUTION.

&&

$$




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